Hardware Upgrade Forum - View Single Post - [Thread Ufficiale] Router ADSL2\2+ D-Link DSL-G624T

galileo029 · 08-03-2008, 07:54

Valori D-Link DSL-G624T

General
Time : 02/29/2008 18:33:27
Firmware Version : V3.10B01T02.EU-A.20070924
ADSL
ADSL Firmware Version : 7.00.01.00 - 7.00.01.00 -
7.00.04.00 Annex A - 01.07.2c - 0.54
Line State : Connected
Modulation : ADSL_2plus
Annex Mode : Annex A
Max Tx Power : -38 dBm/Hz

Item Downstream Upstream Unit
SNR Margin 13 30 dB
Line Attenuation 32 19 dB
Data Rate 4997 351 kbps

Valori Tesley (frm. USR9108)

Mode: ADSL2+
Line Coding: Trellis On
Status: No Defect
Link Power State: L0

Downstream Upstream
SNR Margin (dB): 22.9 33.9
Attenuation (dB): 39.5 18.5
Output Power (dBm): 18.3 12.0
Attainable Rate (Kbps): 11992 1105
Rate (Kbps): 4999 349
MSGc (number of bytes in overhead channel message): 59 16
B (number of bytes in Mux Data Frame): 156 10
M (number of Mux Data Frames in FEC Data Frame): 1 1
T (Mux Data Frames over sync bytes): 1 3
R (number of check bytes in FEC Data Frame): 0 0
S (ratio of FEC over PMD Data Frame length): 0.9984 0.9778
L (number of bits in PMD Data Frame): 1258 90
D (interleaver depth): 1 1
Delay (msec): 0 0

Come potete vedere il valore dell' SNR Margin è di circa 10dB di differenza.Qualcuno ha qualche idea del perchè di questa differenza?

08-03-2008, 07:54	#5280
galileo029 Junior Member Iscritto dal: Mar 2008 Messaggi: 2	riconoscimento SNR Margin Sbagliato Valori D-Link DSL-G624T General Time : 02/29/2008 18:33:27 Firmware Version : V3.10B01T02.EU-A.20070924 ADSL ADSL Firmware Version : 7.00.01.00 - 7.00.01.00 - 7.00.04.00 Annex A - 01.07.2c - 0.54 Line State : Connected Modulation : ADSL_2plus Annex Mode : Annex A Max Tx Power : -38 dBm/Hz Item Downstream Upstream Unit SNR Margin 13 30 dB Line Attenuation 32 19 dB Data Rate 4997 351 kbps Valori Tesley (frm. USR9108) Mode: ADSL2+ Line Coding: Trellis On Status: No Defect Link Power State: L0 Downstream Upstream SNR Margin (dB): 22.9 33.9 Attenuation (dB): 39.5 18.5 Output Power (dBm): 18.3 12.0 Attainable Rate (Kbps): 11992 1105 Rate (Kbps): 4999 349 MSGc (number of bytes in overhead channel message): 59 16 B (number of bytes in Mux Data Frame): 156 10 M (number of Mux Data Frames in FEC Data Frame): 1 1 T (Mux Data Frames over sync bytes): 1 3 R (number of check bytes in FEC Data Frame): 0 0 S (ratio of FEC over PMD Data Frame length): 0.9984 0.9778 L (number of bits in PMD Data Frame): 1258 90 D (interleaver depth): 1 1 Delay (msec): 0 0 Come potete vedere il valore dell' SNR Margin è di circa 10dB di differenza.Qualcuno ha qualche idea del perchè di questa differenza?